Luke can fill a small sandbox with sand in 4 minutes. However, his brother Drew, is taking sand out at the same time. If full, Drew can empty the sandbox in 6 minutes. How long will it take Luke to fill the sandbox if Drew is emptying it at the same time?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the absolute value of the complex number -4- 2 v14 3.15 14 18

Plz : denver is about 5,200 feet above sea level. which number line best represents this integer?